Government Program Management Network (GPMnet) has been adopted by all the government agencies subordinate to the Executive Yuan in Taiwan since 2006. The online program management system resolves inefficient paper-written condition, but in fact, it still has another checkpoint which is the accuracy of programs data needed checked. For supporting decision-making efficently and effectively, reviewing application status of GPMnet is an important insistent task. Therefore, this article tries to develop the innovating concept about online auditing mechanism for government programs. And then, it also addresses the model and the process of trial audit operation. At last, it proposes some innovation suggestions for further development directions of network audit mechanism as the reference for enforcing government interior control.